../ dmsp_15_ephemeris_20151201.txt 09-Nov-2025 23:22 109441 dmsp_16_ephemeris_20151201.txt 09-Nov-2025 23:22 109311 dmsp_17_ephemeris_20151201.txt 09-Nov-2025 23:22 109358 dmsp_18_ephemeris_20151201.txt 09-Nov-2025 23:22 109380 dmsp_19_ephemeris_20151201.txt 09-Nov-2025 23:22 109305